NSN 5305-01-178-3687

Part Details | SOCKET HEAD CAP SCREW

5305-01-178-3687 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Alternate Parts: FFS86, FF-S-86, 24624389, 2462438-9, 5305-01-178-3687, 01-178-3687, 5305011783687, 011783687

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 04, 198401-178-368716282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-178-3687
Part Number Cage Code Manufacturer
FF-S-8681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
2462438-910001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-01-178-3687
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.086 INCHES
THREAD QUANTITY PER INCH56
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.652 INCHES MINIMUM AND 0.688 INCHES MAXIMUM
FASTENER LENGTH0.688 INCHES NOMINAL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH30000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.140 INCHES NOMINAL
HEAD HEIGHT0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.078 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATA6 TYPE